If you are bored this weekend then why not watch two of cinemaâ€™s most iconic monsters clash in Alien vs. Predator for free on Xbox 360, Xbox One and Windows 8 devices this weekend, yes FREE! Alien vs. Predator is a science fiction horror series spanning several media. The series is a crossover between two film franchises about alien species: the Aliens and the Predators. The franchise, which depicts the two species as being in conflict with one another, includes feature films, comics, novels, and computer/video games, the rights to which all belong to 20th Century Fox Studios. There have been two Alien vs. Predator films, both critically panned. Download it for free on Xbox 360, Xbox One and Windows 8 devices from 4pm 21 February to 4pm 23 February.